Multiple Choice
Which of the following best describes the difference between a bar graph and a Pareto chart when visualizing qualitative data?
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2. Describing Data with Tables and Graphs
Visualizing Qualitative vs. Quantitative Data
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Which type of information can typically be determined from a pie chart?
A
The correlation between two quantitative variables
B
The proportion of each category within a qualitative variable
C
The trend of a variable over time
D
The exact numerical values of a quantitative variable
Verified step by step guidance1
Understand that a pie chart is a graphical representation used to show parts of a whole, typically for categorical (qualitative) data.
Recognize that each slice of the pie chart represents a category, and the size of each slice corresponds to the proportion or percentage of that category relative to the total.
Note that pie charts are not designed to show relationships between two quantitative variables, so they cannot display correlation.
Also, pie charts do not show trends over time, as they represent a snapshot of data distribution at one point or for one dataset.
Finally, pie charts do not provide exact numerical values for quantitative variables; they focus on relative proportions within categories.
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